A is 1.5 times efficient than B therefor...

A is 1.5 times efficient than B therefore takes 8 days less than B to complete a work. If A and B work on alternate days and A works on first day, then in how many days the work will be completed?

A

17

B

19

C

19.5

D

21

Text Solution

Verified by Experts

The correct Answer is:

B

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